Nighttime construction activities will take place on Wednesday, Sept. 6, causing lane closures on the Dulles International Airport Access Highway (DIAAH).

See below for more detailed information. All work is weather permitting.

Drivers are asked to use caution, remain attentive to all signage, barricades and speed limits, and obey all police and flagger instructions. Slow-moving vehicles and equipment may be entering and exiting the highways and surrounding roads.

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Dulles International Airport Access Highway (DIAAH) West

When: Wednesday, Sept. 6, 7 p.m. to 5 a.m.

What: Left lane closed

Where: From mile marker 5.5 to 4.5 (from 3/10 mile before the Reston Parkway overpass to 2/10 mile before the Fairfax County Parkway overpass)